The diagram shows the sun’s interior. Convection currents are present in the convection zone. An image of the sun is red and orange on the outside. A cutaway shows layers moving inward colored and labeled yellow convection zone, red, orange radiation zone, mixed colors, blue core.
Which best describes how fluids change as they travel through different portions of the convection currents?

They change to solids at the outer portion of the convection currents.
They change to solids at the inner portion of the convection currents.
They become more dense at the outer portion of the convection currents.
They become more dense at the inner portion of the convection currents.